“I can find only three kinds of business in the universe: mine, yours, and God’s,” says the self-work teacher Byron Katie in her book Loving What Is, which deserves to be high on the reading list of anyone who is in a close relationship with an addict. “For me,” Katie writes, “the word God means reality. Anything that’s out of my control, your control, and everyone else’s control—I call that God’s business.”